It's hard to tell what's going on in the video above; upon first glance it just looks like a man shopping for some jewelry. But, no: According to the Dallas Police Department, at around the 12-second mark, then again at the 21-second mark, he's actually putting a diamond wedding ring set in his mouth. And according to the police report, it's worth $4,800.

The shoplifting took place on the morning of January 22, at Travel Jewelry on Berkshire Lane in Preston Center. Dallas PD needs help ID'ing the man, described as a "a black male approximately 45-55 years old, 6 feet tall and weighing 280 lbs" with a "fade haircut and a white goatee beard."

Dallas Police asks if you recognize the man or have any further info about the theft to call Detective R. Perez at (214) 670-6043 or (214) 329-8918.